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// to you under the Apache License, Version 2.0 (the
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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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package com.cloud.network.vpc;

import java.util.List;
import java.util.Map;

import org.apache.cloudstack.api.command.user.vpc.CreatePrivateGatewayCmd;
import org.apache.cloudstack.api.command.user.vpc.CreateVPCCmd;
import org.apache.cloudstack.api.command.user.vpc.ListPrivateGatewaysCmd;
import org.apache.cloudstack.api.command.user.vpc.ListStaticRoutesCmd;
import org.apache.cloudstack.api.command.user.vpc.ListVPCsCmd;
import org.apache.cloudstack.api.command.user.vpc.RestartVPCCmd;
import org.apache.cloudstack.api.command.user.vpc.UpdateVPCCmd;

import com.cloud.exception.ConcurrentOperationException;
import com.cloud.exception.InsufficientAddressCapacityException;
import com.cloud.exception.InsufficientCapacityException;
import com.cloud.exception.NetworkRuleConflictException;
import com.cloud.exception.ResourceAllocationException;
import com.cloud.exception.ResourceUnavailableException;
import com.cloud.network.IpAddress;
import com.cloud.user.User;
import com.cloud.utils.Pair;

public interface VpcService {

    /**
     * Persists VPC record in the database
     *
     * @param zoneId
     * @param vpcOffId
     * @param vpcOwnerId
     * @param vpcName
     * @param displayText
     * @param cidr
     * @param networkDomain TODO
     * @param ip4Dns1
     * @param ip4Dns2
     * @param displayVpc TODO
     * @return
     * @throws ResourceAllocationException TODO
     */
    Vpc createVpc(long zoneId, long vpcOffId, long vpcOwnerId, String vpcName, String displayText, String cidr, String networkDomain,
                  String ip4Dns1, String ip4Dns2, String ip6Dns1, String ip6Dns2, Boolean displayVpc, Integer publicMtu)
            throws ResourceAllocationException;

    /**
     * Persists VPC record in the database
     *
     * @param cmd the command with specification data for the new vpc
     * @return a data object describing the new vpc
     * @throws ResourceAllocationException the resources for this VPC cannot be allocated
     */
    Vpc createVpc(CreateVPCCmd cmd) throws ResourceAllocationException;

    /**
     * Deletes a VPC
     *
     * @param vpcId
     * @return
     * @throws InsufficientCapacityException
     * @throws ResourceUnavailableException
     * @throws ConcurrentOperationException
     */
    boolean deleteVpc(long vpcId) throws ConcurrentOperationException, ResourceUnavailableException;

    /**
     * Persists VPC record in the database
     *
     * @param cmd the command with specification data for updating the vpc
     * @return a data object describing the new vpc state
     * @throws ResourceUnavailableException if during restart some resources may not be available
     * @throws InsufficientCapacityException if for instance no address space, compute or storage is sufficiently available
     */
    Vpc updateVpc(UpdateVPCCmd cmd) throws ResourceUnavailableException, InsufficientCapacityException;

    /**
     * Updates VPC with new name/displayText
     *
     * @param vpcId the ID of the Vpc to update
     * @param vpcName The new name to give the vpc
     * @param displayText the new display text to use for describing the VPC
     * @param customId A new custom (external) ID to associate this VPC with
     * @param displayVpc should this VPC be displayed on public lists
     * @param mtu what maximal transfer unit to us in this VPCs networks
     * @param sourceNatIp the source NAT address to use for this VPC (must already be associated with the VPC)
     * @return an object describing the current state of the VPC
     * @throws ResourceUnavailableException if during restart some resources may not be available
     * @throws InsufficientCapacityException if for instance no address space, compute or storage is sufficiently available
     */
    Vpc updateVpc(long vpcId, String vpcName, String displayText, String customId, Boolean displayVpc, Integer mtu, String sourceNatIp) throws ResourceUnavailableException, InsufficientCapacityException;

    /**
     * Lists VPC(s) based on the parameters passed to the API call
     *
     * @param cmd object containing the search specs
     * @return the List of VPCs
     */
    Pair<List<? extends Vpc>, Integer> listVpcs(ListVPCsCmd cmd);

    /**
     * Lists VPC(s) based on the parameters passed to the method call
     */
    Pair<List<? extends Vpc>, Integer> listVpcs(Long id, String vpcName, String displayText, List<String> supportedServicesStr, String cidr, Long vpcOffId, String state,
                                                String accountName, Long domainId, String keyword, Long startIndex, Long pageSizeVal, Long zoneId, Boolean isRecursive, Boolean listAll, Boolean restartRequired,
                                                Map<String, String> tags, Long projectId, Boolean display);

    /**
     * Starts VPC which includes starting VPC provider and applying all the networking rules on the backend
     *
     * @param vpcId
     * @param destroyOnFailure TODO
     * @return
     * @throws InsufficientCapacityException
     * @throws ResourceUnavailableException
     * @throws ConcurrentOperationException
     */
    boolean startVpc(long vpcId, boolean destroyOnFailure) throws ConcurrentOperationException, ResourceUnavailableException, InsufficientCapacityException;

    void startVpc(CreateVPCCmd cmd) throws ConcurrentOperationException, ResourceUnavailableException, InsufficientCapacityException;

    /**
     * Shuts down the VPC which includes shutting down all VPC provider and rules cleanup on the backend
     *
     * @param vpcId
     * @return
     * @throws ConcurrentOperationException
     * @throws ResourceUnavailableException
     */
    boolean shutdownVpc(long vpcId) throws ConcurrentOperationException, ResourceUnavailableException;

    boolean restartVpc(RestartVPCCmd cmd) throws ConcurrentOperationException, ResourceUnavailableException, InsufficientCapacityException;

    /**
     * Restarts the VPC. VPC gets shutdown and started as a part of it
     *
     * @param networkId the network to restart
     * @param cleanup throw away the existing VR and rebuild a new one?
     * @param makeRedundant create two VRs for this network
     * @return success or not
     * @throws InsufficientCapacityException when there is no suitable deployment plan possible
     */
    boolean restartVpc(Long networkId, boolean cleanup, boolean makeRedundant, boolean livePatch, User user) throws ConcurrentOperationException, ResourceUnavailableException, InsufficientCapacityException;

    /**
     * Returns a Private gateway found in the VPC by id
     *
     * @param id
     * @return
     */
    PrivateGateway getVpcPrivateGateway(long id);

    /**
     * Persists VPC private gateway in the Database.
     *
     * @return data object describing the private gateway
     * @throws InsufficientCapacityException
     * @throws ConcurrentOperationException
     * @throws ResourceAllocationException
     */
    PrivateGateway createVpcPrivateGateway(CreatePrivateGatewayCmd command) throws ResourceAllocationException, ConcurrentOperationException, InsufficientCapacityException;

    /**
     * Applies VPC private gateway on the backend, so it becomes functional
     *
     * @param gatewayId
     * @param destroyOnFailure TODO
     * @return
     * @throws ResourceUnavailableException
     * @throws ConcurrentOperationException
     */
    PrivateGateway applyVpcPrivateGateway(long gatewayId, boolean destroyOnFailure) throws ConcurrentOperationException, ResourceUnavailableException;

    /**
     * Deletes VPC private gateway
     *
     * @param gatewayId
     * @return
     * @throws ResourceUnavailableException
     * @throws ConcurrentOperationException
     */
    boolean deleteVpcPrivateGateway(long gatewayId) throws ConcurrentOperationException, ResourceUnavailableException;

    /**
     * Returns the list of Private gateways existing in the VPC
     *
     * @param listPrivateGatewaysCmd
     * @return
     */
    Pair<List<PrivateGateway>, Integer> listPrivateGateway(ListPrivateGatewaysCmd listPrivateGatewaysCmd);

    /**
     * Returns Static Route found by Id
     *
     * @param routeId
     * @return
     */
    StaticRoute getStaticRoute(long routeId);

    /**
     * Applies existing Static Routes to the VPC elements
     *
     * @param vpcId
     * @return
     * @throws ResourceUnavailableException
     */
    boolean applyStaticRoutesForVpc(long vpcId) throws ResourceUnavailableException;

    /**
     * Deletes static route from the backend and the database
     *
     * @param routeId
     * @return TODO
     * @throws ResourceUnavailableException
     */
    boolean revokeStaticRoute(long routeId) throws ResourceUnavailableException;

    /**
     * Persists static route entry in the Database
     *
     * @param gatewayId
     * @param cidr
     * @return
     */
    StaticRoute createStaticRoute(long gatewayId, String cidr) throws NetworkRuleConflictException;

    /**
     * Lists static routes based on parameters passed to the call
     *
     * @param cmd Command object with parameters for { @see ListStaticRoutesCmd }
     * @return
     */
    Pair<List<? extends StaticRoute>, Integer> listStaticRoutes(ListStaticRoutesCmd cmd);

    /**
     * Associates IP address from the Public network, to the VPC
     *
     * @param ipId
     * @param vpcId
     * @return
     * @throws ResourceAllocationException
     * @throws ResourceUnavailableException
     * @throws InsufficientAddressCapacityException
     * @throws ConcurrentOperationException
     */
    IpAddress associateIPToVpc(long ipId, long vpcId) throws ResourceAllocationException, ResourceUnavailableException, InsufficientAddressCapacityException,
    ConcurrentOperationException;

    /**
     * @param routeId
     * @return
     */
    boolean applyStaticRoute(long routeId) throws ResourceUnavailableException;
}
